www.gusucode.com > VC++ 颜色空间转换以及各种颜色变换源码程序 > VC++ 颜色空间转换以及各种颜色变换源码程序/code/ColorProcess/BCDlg.cpp
//Download by http://www.NewXing.com // BCDlg.cpp : implementation file // #include "stdafx.h" #include "Dib.h" #include "ColorProcess.h" #include "BCDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CBCDlg dialog CBCDlg::CBCDlg(CWnd* pParent /*=NULL*/) : CDialog(CBCDlg::IDD, pParent) { //{{AFX_DATA_INIT(CBCDlg) m_strBright = _T("0"); m_strContrast = _T("0"); //}}AFX_DATA_INIT m_nValue1 = 0; m_nValue2 = 0; } void CBCDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CBCDlg) DDX_Control(pDX, IDC_SCROLLBAR2, m_ScrollContrast); DDX_Control(pDX, IDC_SCROLLBAR1, m_ScrollBright); DDX_Text(pDX, IDC_BRIGHT, m_strBright); DDX_Text(pDX, IDC_CONTRAST, m_strContrast); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CBCDlg, CDialog) //{{AFX_MSG_MAP(CBCDlg) ON_WM_HSCROLL() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CBCDlg message handlers BOOL CBCDlg::OnInitDialog() { CDialog::OnInitDialog(); m_ScrollBright.SetScrollRange(-100,100); m_ScrollContrast.SetScrollRange(-100,100); m_ScrollBright.SetScrollPos(m_nValue1); m_ScrollContrast.SetScrollPos(m_nValue2); return TRUE; // return TRUE unless you set the focus to a control // EXCEPTION: OCX Property Pages should return FALSE } void CBCDlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) { char str[64]; int nV, nMin, nMax; pScrollBar->GetScrollRange(&nMin, &nMax); if (pScrollBar->m_hWnd == m_ScrollBright.m_hWnd) nV = m_nValue1; else if (pScrollBar->m_hWnd == m_ScrollContrast.m_hWnd) nV = m_nValue2; switch (nSBCode) { case SB_LEFT: nV = nMin; break; case SB_RIGHT: nV = nMax; break; case SB_LINELEFT: nV--; break; case SB_LINERIGHT: nV++; break; case SB_PAGELEFT: nV -= 20*nMax/100; break; case SB_PAGERIGHT: nV += 20*nMax/100; break; case SB_THUMBPOSITION: case SB_THUMBTRACK: nV = nPos; break; } nV = BOUND(nV, nMin, nMax); pScrollBar->SetScrollPos(nV); if (pScrollBar->m_hWnd == m_ScrollBright.m_hWnd) { itoa(nV, str, 10); m_strBright = str; m_nValue1 = nV; } else if (pScrollBar->m_hWnd == m_ScrollContrast.m_hWnd) { itoa(nV, str, 10); m_strContrast = str; m_nValue2 = nV; } UpdateData(FALSE); CDialog::OnHScroll(nSBCode, nPos, pScrollBar); }